Multi-function helmet



FIG. 1 is a front perspective view of a multi-function helmet showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a right side elevational view thereof, the left side being a mirror image. 

The ornamental design for a multi-function helmet, as shown and described. 